package org.JieKou;

import java.util.*;

public class ShuJu {
    public static void main(String[] args) {
        List<String> S32=new ArrayList<>();
        S32.add("hello");
        S32.add("word");
        S32.add(1,"jack");
        System.out.println("ArrayList:"+S32);
        Map<String,Integer> m21=new HashMap<>();
        m21.put("heoo",45);
        m21.put("ksken",586);
        m21.remove("heoo");
        m21.remove("ksken",586);
        System.out.println(m21);
        for(String jklsi:S32){
            System.out.println(jklsi);
        }
        Iterator<String> iterator=S32.iterator();
        while(iterator.hasNext()){
            System.out.println(iterator.next());
        }
        String s84552="keioskfnlnsf";

    }
}
